Question: Tell me the media player with a license of proprietary license and starts with the letter w?
Paraphrase: Tell me the media participant with a license of proprietary license and begins with the letter w?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q210337 . ?sbj wdt:P275 wd:Q3238057 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'w')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Winamp, Winamp